(a.) Of or connected with nutrition; nitritional; nourishing; as, the so-called trophic nerves, which have a direct influence on nutrition.
Example Sentences:
(1) The effects of postnatal methyl mercury exposure on the ontogeny of renal and hepatic responsiveness to trophic stimuli were examined.
(2) We therefore conclude that the protective effect displayed by solid grafts might be a local process dependent on the release of diffusible trophic agents.
(3) The flounder developed renal and pancreatic neoplasms and hepatotoxic neoplastic precursor lesions, demonstrating trophic transfer of sediment-bound carcinogens up the food chain.
(4) Taken together, our results have demonstrated direct trophic effects of RA on spinal cord neurons and have suggested another role for astrocytes in the maintenance of normal neural physiology by regulating RA concentrations through the oxidation of retinol.
(5) Under conditions of disturbed blood supply, irrespective of the method of anastomosing, the trophicity of tissues in the zone of suture is sharply disturbed.
(6) The transformations described are interpreted as a response of the immune system to the nerve cut, and as a result of it--denervation of the crural tissues, disturbance of their nervous trophic, as well as--to transplantation of the allogeneic nervous trunk.
(7) The present study examined trophic activities in normal and injured brain which affect the survival and growth of central neurons in culture.
(8) Most of the patients were delayed cases showing mild to severe degrees of trophic, sensory and motor disturbances in the limbs without gangrene.
(9) Although no specific trophic or regulating factors for placental function have been described as yet, it is possible that prostaglandins which are synthesized in decidual tissue could play such a physiological role.
(10) In this study, uninjured basal forebrain cholinergic neurons did not die after excitotoxic ablation of their target neurons in young adult rats, indicating that they are either not dependent on neurotrophic factors for survival or can obtain trophic support from other sources after target neurons are lost.
(11) However, the trophic influence exerted by the effector organ on the nerves is not of the kind, that the innervation density and NA-concentration of the organ always are maintained at a constant level.
(12) Finally we propose a new theory of the etiology of Parkinson's disease, based on a postulated deficiency in the important trophic function upon catecholaminergic neurons of A.P.U.D.
(13) All the other kinds of therapy try to reduce the principle symptom as pain and to produce an improvement of the general condition of the trophic situation.
(14) To study the trophic requirements of adult rat dorsal root ganglia neurons (DRG) in vitro, we developed a purification procedure that yields highly enriched neuronal cultures.
(15) Such changes may be driven by both trophic and mechanical forces and may be important in altering the architecture of the myocardial cell and surrounding cardiac interstitium.
(16) These results indicate that a trophic substance which is capable of regulating the electrical properties of excitable cells is released into the culture medium by spinal cord explants.
(17) Because gastrin has a trophic effect on the oxyntic mucosa, the hypergastrinaemia results in a reversible hypertrophy of the oxyntic mucosa and an increased capacity to produce acid following maximal stimulation with exogenous secretagogues after discontinuing treatment.
(18) Extracts prepared from either the hippocampus or the entorhinal area of the injured brains contained more non-polylysine-bindable trophic activity than extract prepared from normal brains.
(19) These results indicate that homeostatic mechanisms modulating myocyte growth in visceral smooth muscle can respond to mechanical stimulus in the absence of other trophic factors.
(20) From these results it may be concluded that pentagastrin has a trophic influence on gastric mucosa in man.
Tropic
Definition:
(a.) Of, pertaining to, or designating, an acid obtained from atropine and certain other alkaloids, as a white crystalline substance slightly soluble in water.
(n.) One of the two small circles of the celestial sphere, situated on each side of the equator, at a distance of 23¡ 28/, and parallel to it, which the sun just reaches at its greatest declination north or south, and from which it turns again toward the equator, the northern circle being called the Tropic of Cancer, and the southern the Tropic of Capricorn, from the names of the two signs at which they touch the ecliptic.
(n.) One of the two parallels of terrestrial latitude corresponding to the celestial tropics, and called by the same names.
(n.) The region lying between these parallels of latitude, or near them on either side.
(a.) Of or pertaining to the tropics; tropical.
Example Sentences:
(1) The standard varies from modest to lavish – choose carefully and you could be staying in an antique-filled room with your host's paintings on the walls, and breakfasting on the veranda of a tropical garden.
(2) Positive results were rather less common in black patients born in the tropics attending a genitourinary medicine in London and were similar to findings in blood donors in the West Indies.
(3) The experience of reflexotherapy of 86 patients showed its positive effect on the psychoemotional activities of patients with obesity, a rise of adaptation capabilities of the body under physical exercise, improved external respiration function, an increase in oxygen saturation of tissues, the stimulation of metabolism (by the basal metabolism findings) by way of increasing the secretion of hypophyseal tropic hormones, triiodothyronine and thyroxin, and potentiation of the time course of loss of body mass.
(4) In addition, youthful onset of tropical diabetic syndrome (J-type diabetes) is extremely rare.
(5) Fv-1-specific host-range pseudotypes of murine sarcoma virus (MuSV) were developed by rescue from nonproducer cells with N- or B-tropic leukemia viruses.
(6) Assessment of nutritional status of vitamin B components by plasma or blood levels indicated riboflavin deficiency and possibly thiamine deficiency in Nigerian patients who suffered from tropical ataxic neuropathy and neurologically normal Nigerians who subsisted on predominant cassava diet.
(7) 1816) for the term "loa," designating a species of filaria, pathogenic in humans, which is common tropical West Africa.
(8) In order to reduce the devasting effects of enteric diseases among children born to mothers in tropical countries of Africa and Asia, it is imperative that all health workers understand the cultural and social perceptions of their clients towards the disease in question.
(9) The spread of chloroquine resistant strains of P. falciparum requires new approaches to treatment especially in tropical Africa.
(10) Schistosoma mansoni is often perceived by governments and international aid agencies to present a major public health problem in the tropical and sub-tropical world.
(11) The subject of this study was to test whether in vivo thymocytes in the preleukemic and leukemic periods also bear receptors specific for N-tropic, recombinant MCF and SL AKR retroviruses.
(12) Spices are widely used for flavouring food and are mostly grown in the tropics.
(13) The aetiology of tropical sprue, which is common in Puerto Rico and absent from Jamaica remains to be explained although a hypothesis has been put forward.
(14) A series of studies were carried out to assess the usefulness and accuracy of measuring blood sugar levels in a tropical medical practice using an enzyme test strip ("Dextrostix").
(15) The relative resistance to different cattle ticks of Gudali and Wakwa cattle with different levels of Brahman breeding, grazed on natural pastures in the subhumid tropics of Wakwa, Cameroon, was assessed using pasture tick infestations.
(16) Ninety-five patients (88.8%) had the amblyopia syndrome mainly; twelve patients (11.2%) had amblyopia and other manifestations of the tropical ataxic neuropathy.
(17) The emissions reductions that could be expected through meeting these family planning needs would be roughly equivalent to the reductions that would come from ending all tropical deforestation.
(18) The rapid insensible loss of water in tropical areas was reflected in the rise in serum urea while homeostatic mechanisms maintained a slower fall in sodium and chloride by renal conservation.
(19) In the latter, only the commensal rodents constitute a major problem, whereas in rural tropical areas, native semidomestic species also serve as disease reservoirs and sources of infection to man.
(20) Maximum power output for the fast muscle fibres from the Antarctic species at -1 degree C is around 60% of that of the tropical fish at 20 degrees C. Evolutionary temperature compensation of muscle power output appears largely to involve differences in the ability of cross bridges to generate force.